11. Which of the following is a key theme in Romantic literature? a. Social conformity b. Industrial progress c. Urbanization d. Solitude and introspection

d. Solitude and introspection<br /><br />Solitude and introspection are key themes in Romantic literature. Romanticism often emphasizes the importance of individual experience, emotion, and the inner world, contrasting with the external focus on social conformity, industrial progress, and urbanization.